Arrma Raider XL BLX with 4600 8.4V NiMH Vehicle (1/8 Scale) FEATURES: Chassis: Drive: Rear wheel with steel driveshafts and axles Motor: 4-pole 3600kV brushless, 540 size Motor mount: Aluminum Radio: ATX100 2.4 INCLUDES: RTR Raider XL Buggy Truck with Painted Body and 2.4GHz Radio, ESC, Steering Servo, Brushless Motor, Tires, Wheels, Foam Inserts, Battery REQUIRES: AA Batteries: Four for transmitter Building and track equipment